CN1330201A - Door lock device of easy operated - Google Patents

Abstract

A conveniently operated door lock mechanism features that pulling a handle can unlock said door lock and open the door, and is composed of handle holder for the handle fixed to external surface of door, lever handle to which an axle rod parallel to the external surface of door is installed, slide block linked with lever handle, slide block's hood on the back of door, and the collision spring pin contained in its box arranged at door edge and connected to said slide block via connecting rod.

Description

Door lock assembly simple to operate

The present invention relates to door lock assembly.

Original this kind device is on the relative shop front meets at right angles the gyroaxis that is provided with handle to be installed, and when opening the door, gyroaxis rotates above-mentioned handle relatively, opens door lock, draws or pushes away to the front then and open door, depends on the combination of two kinds of different motions.

The purpose of this invention is to provide a kind of 2 operations not carrying out different directions as described above.When opening the door, by a handle, the locking device that shirtsleeve operation just can be opened door lock and door is opened.

In order to realize above-mentioned purpose, the present invention is provided with the handle set 2 in the outside that is fixed on door 40 and thereon by 3 lever handles 1 that prop up of the pivot parallel with door 40 outsides.It is characterized in that, clamp above-mentioned pivot 3 ground to oppose that side-prominent start end 5 connects the ground kept out of the way that is arranged on the above-mentioned door 40 in the hole 41 in and gives prominence in door 40 with the handle portion 4 of above-mentioned lever handle 1.On the other hand, be provided with in the inboard of above-mentioned door 40 and be fixed on and above-mentioned handle set 2 corresponding locational slide block covers 10, be arranged on the moving direction of above-mentioned start end 5 slide block 20 of the slip parallel therein with above-mentioned door 40 inner faces 42.On above-mentioned slide block 20, setting can be hung and be cooperated the extension of above-mentioned start end 5 to close recess 26.In addition, give prominence to playing hairdo ground tax gesture outside above-mentioned slide block cover 10 outer end 21 of slide block 20.Simultaneously can install and be located at the connecting rod 35 that the latch bolt 50 of the latch bolt box 51 on the edge 43 is connected as door inner face 42.

As door lock assembly simple to operate, when above-mentioned handle set 2 and slide block cover 10 and door 40 inside and outside was fixed on inside and outside the going up of door 40 accordingly, above-mentioned start end 5 and the extension of above-mentioned slide block 20 closed recess 26 and hang and cooperate.

The feature of door lock assembly preferably simple to operate is that the above-mentioned slide block 20 of door lock assembly simple to operate is made 180 ° of phase phasic differences to achieve these goals, point-symmetric being contained in a pair of above-mentioned slide block cover 10, mutually by connecting rod or coil 30 and link, be the binding that can be close and leave, on the outer end 21 of slide block separately, can link above-mentioned connecting rod 35.

To achieve these goals, the feature of door lock assembly preferably simple to operate is the above-mentioned connecting rod of door lock assembly simple to operate or coils 30 and be the binding disk 30a parallel with door 40, this link disk 30a free rotary ground supporting with the central axis 13 of above-mentioned slide block cover 10 one on, 180 ° of ground break-through of phase phasic difference are provided with a pair of slotted hole 31 long on the radial direction near the periphery of above-mentioned clutch disk 30a, in these a pair of slotted holes 31, inserting the cylindrical protrusion 25 on the inner separately 22 that is arranged on above-mentioned slide block 20, above-mentioned cylindrical protrusion 25 is parallel with above-mentioned central axis 13, above-mentioned binding disk 30a is bearing on the inner face 11 of slide block cover 10 its surface 32 and outer peripheral face 33 free slidings.

In the 1st technical scheme of the present invention, this device is fixed on the interior outside of door 40 by suitable fixing means (using bolt and nut usually), the free end of the door edge 43 of door 40 or on latch bolt box 51 is installed on the lower edge, link above-mentioned slide block 20 and latch bolt 50 by connecting rod 35 or other suitable member.

So, when door 40 close handles portions 4 are zero load, because above-mentioned slide block 20 is arranged in the slide block cover 10 with playing hairdo, so the outer end 21 of its slide block 20 becomes from slide block cover 10 outstanding state, the latch bolt 50 of coupled knot also becomes from its latch bolt box 51 outstanding and close hole 81 with the extension of accepting seat board 80 on the installing frame that is installed in door 40 (figure does not show) and hang the state that cooperates in addition.

In order to open door 40, because of the one hand shank 4 of shaking hands, when before body, drawing, lever handle 1 is around pivot 3 rotations, because closing recess 26 extensions with the start end 5 of pivot 3 opposition sides with its extension cooperates, so that slide block 20 its elastic forces of resistance and be pulled into the inboard of slide block cover 10, by with the connecting rod 35 traction latch bolts 50 of slide block 20 one, it is closed the hole 81 from above-mentioned extension breaks away from.

When pulling on when starting shank 4, door 40 is opened.

In the 2nd technical scheme of the present invention, because formation as described above, so, increase following effect again using of the described invention of above-mentioned the 1st technical scheme, because when a slide block 20 is pulled in the slide block cover 10, also side by side be drawn into linking lever or coiling 30 another slide blocks 20 that link, throw off simultaneously so be separately positioned on the latch bolt 50 up and down of door 40.The 3rd technical scheme of the present invention, because formation as described above, so, except the effect of the 1st or the 2nd described invention of technical scheme, also have following effect, linking lever or coiling 30 is clutch disk 30a, even its two sides rotates on a large scale also always facing to seating surface, 33 ones of any portion's single face and outer peripheral faces all fully similarly are being supported with the inner face 11 of slide block cover 10 in contact, and stable, a pair of slide block fully carries out synchronization action.

In addition, linking on the disk 30a, break-through is provided with slotted hole 31 on radial direction, in this slotted hole 31, insert the cylindrical protrusion 25 on the rearward end that is arranged on slide block 11, although slide block 11 is rectilinear motions and to link disk be gyration, but at both connecting portions, suitable motion transmission becomes very slick and sly.

Fig. 1 is the vertical profile lateral view of handle portion and bolt part.

Fig. 2 is expression slide block and the stereogram that links the relation of disk.

Fig. 3 is expression slide block and the rear elevation that links the disk relation.

Fig. 4 is that throw off from accepting, inboard latch bolt is hung and is combined in the vertical profile lateral view of hanging the state in the hole that closes by seat board for latch bolt outside latch bolt partly.

Fig. 5 is a door when shutting fully, and the latch bolt in the outside is hung and is combined in the vertical profile lateral view of hanging the state in the hole that closes.

Fig. 6 be the outside the latch bolt disengaged condition under the vertical profile lateral view.

Fig. 7 is the front view of an example of bolt traction cam.

Embodiment shown in Fig. 1 to 7 is the embodiment that comprises whole technical schemes.

Among the figure, the 1st, lever handle is journaled into by the pivot parallel with the face of door 40 3 on the handle set 2 of the outside of being fixed in door 40, and its handle portion 4 is given to its trend with the outside parallel direction motion of door 40 by torque spring 6.

The part of above-mentioned lever handle 1 forms to opposing the start end 5 that direction is extended with pivot 3, and this part connects the reach through hole 41 that is formed on door 40 and is projected into the inboard of door 40.

The slide block cover 10 of built-in slide block 20 is set on the inner face of door 40, this slide block 20 is installed on the position corresponding with handle set 2, in slide block cover 10, be arranged on the slide block 20 that can reciprocatingly slide on the direction that moves above-mentioned start end 5, in the sample attitude in the drawings, a pair of (with reference to Fig. 2 and Fig. 3) of symmetry is set.

Form the prolong knot extension of stating start end 5 that closes in the table side of slide block 20 and close recess 26 (with reference to Fig. 1).

These a pair of slide block 20 fully same shapes onesize (with reference to Fig. 2), make by a formed products respectively, part near its outer end 21 is a main part 27, and the inner face 11 of its left and right side and front-back and above-mentioned slide block cover 10 slips, and is installed on its length direction free sliding.Its glide direction is the moving direction along the start end 5 of above-mentioned lever handle 1.

The inner end 22 of each slide block 20 is provided with step with main part 27 fore-and-aft directions, and be biased in respectively one-sided on, when a pair of slide block 20 mutually near the time, inner end 22 separately is conflict mutually.

By slide block 20 being made such shape, big or small very compact (Fig. 2 and Fig. 3) of slide block cover 10.

The part that is provided with central axis 13 of above-mentioned slide block cover 10 is made the spring that bloats to the inboard of slide block cover 10 and is born portion 14, bear at this spring between the stage portion 28 of the side 16 of portion 14 and above-mentioned slide block 20 and clamping compression spring 29 respectively, so that slide block 20 is outstanding to foreign side respectively.This extrusion position is set at up to the shoulder that is arranged on the slide block 20 and ends from upper being changed to of a part that the inboard extension is combined in support 10.

The shape of slide block 20 also is not limited to above-mentioned shape.

In above-mentioned slide block cover 10, freely be bearing on the above-mentioned central axis 13 as connecting lever or coiling a kind of binding disk 30a rotation of 30.The long slotted hole 31 on radial direction of 180 ° of phase phasic differences is set on the position of the close outer peripheral edges of this binding disk 30a, in this slotted hole 31, insert the cylindrical protrusion 25 that cooperates above-mentioned slide block 20, the straight line that is accompanied by slide block 20 moves, and cylindrical protrusion 25 becomes the first state that moves and then return to the interior extreme direction of slotted hole 31.

When a slide block 20 is accompanied by the moving of start end 5 of lever handle 1 and when moving back and forth, because the effect of above-mentioned cylindrical protrusion 25, this bindings disk 30a centers on its central axis 13 and rotates, another slide block is also done moving back and forth of same size.If hand leaves from lever handle 1, because the effect of the recuperability of above-mentioned torque spring 6 and a pair of compression helical spring 29, they all return to original position.

On above-mentioned slide block cover 10, and door 40 between the position on be provided with and cover 17, on this lid 17, also be provided with the 2nd and keep out of the way hole 18, make it not hinder the motion of start end 5.The existing in of this lid 17 almost is insignificant part after the slide block cover 10 of built-in above-mentioned slide block 20 grades is installed to door 40 inner face, but its task is, when the slide block cover of parts such as built-in this lever handle 1, handle set 2 and above-mentioned slide block 20 during, must guarantee that the part in the slide block cover does not come off away as circulation of commodities.

On the outer end 21 of above-mentioned slide block 20, hang an end 36 of the right-angle bending of closing pitman 35, calming by the intermediate plate 37 that leaf spring constitutes, so that it does not come off.

The other end of connecting rod 35 is linking latch bolt 50 in an embodiment.

In the 1st technical scheme of the present invention, latch bolt 50 is corresponding with door 40, one or two can, in the 2nd, the 3rd technical scheme of the present invention, on the lower edge on door 40 (door 40 pivot for level time be about) a pair of latch bolt 50 is set respectively, directly or by suitable member is connected with separately latch bolt 50 indirectly by connecting rod 35.

In illustrated example, represent door latch apparatus with latch bolt 50, such shown in Fig. 1 and Fig. 4,5 left part, latch bolt 50 is set up in parallel two in the interior external direction of door 40.

This summary is (with reference to Fig. 4 to Fig. 7) as following.

This device is made up of latch bolt box 51 that has latch bolt and the seat board 80 of accepting of accepting this latch bolt.

In above-mentioned latch bolt box 51, outside latch bolt 50a and inboard latch bolt 50b are set inside and outside the thickness direction of door 40 side by side, these 2 latch bolt 50a and 50b are arranged in the above-mentioned latch bolt box 51, and respectively with the elasticity compressing independently of the 1st, the 2nd spring 52,53, when being forced out, its front should arrive the position of regulation, and the leading section of above-mentioned 2 latch bolt 50a, 50b is arranged to sequentially to hang and is combined in the above-mentioned single extension of accepting seat board 80 and closes in the hole 81.

Between latch bolt 50a, the 50b of above-mentioned 2 inboards, the moving body 57 that the length direction at latch bolt 50a, 50b of setting and lever handle 1 interlock moves in above-mentioned latch bolt box 51.

With pivotal mounting at the leading section of above-mentioned moving body 57 and to have the bolt traction cam 60 that to hang a pair of the 1st, the 2nd hook 58,59 that closes with latch bolt 50a, 50b in both sides, usually, preparing on the centre position of closing to close for being in to hang with both sides' latch bolt 50a, 50b by the compressing of the 3rd spring 61 elasticity with the latch bolt extension.When above-mentioned outside latch bolt 50a be in progressive position, when inboard latch bolt 50b is in going-back position, have only a latch bolt 50a to hang among the above-mentioned a pair of hook 58,59 of bolt traction cam 60 and close (with reference to Fig. 5) with the outside, when 2 latch bolt 50a, 50b were in progressive position, above-mentioned the 1st, the 2nd hook 58,59 may be hung with 2 bolts simultaneously and close (with reference to Fig. 1 left side).

The relative inner face 62,63 of above-mentioned inside and outside side latch bolt 50a, 50b is smooth parallel surface, therebetween, what wearing that the hook 58,59 of above-mentioned bolt traction cam 60 can enter keeps out of the way space 64,65 by what depression or hole formed, and the extension that this edge of keeping out of the way the root side in space 64,65 is made towards the front of bolt closes edge 66,67.

Inclined cam surface 68 is made in the outside of the inboard hook 59 in 2 hooks 58,59 of above-mentioned bolt traction cam 60, this inclined cam surface 68 contacts with the front end lateral margin 69 of keeping out of the way space 65 of inboard latch bolt 50b, makes to make above-mentioned bolt traction cam 60 around tilt in the escape space 64 of the latch bolt 50a laterally angle of slope (with reference to Fig. 5) of rotation of pivot 70.

The effect of this door latch apparatus part is that accept seat board 80 and be fixed on an installing frame side, it is arranged side by side at the thickness direction of door 40 that latch bolt box 51 is mounted to 2 latch bolt 50a, 50b.

Like this, when door 40 was closed, the front end inclined plane 50b-1 of inboard latch bolt 50b at first contacted and accepts seat board 80, and inboard latch bolt 50b resistance spring 56 ground retreat, inboard latch bolt 50b slides on the surface of accepting seat board 80, and bearing in the hole 81 of seat board 80 accepted in embedding first.

When this inboard latch bolt 50b retreated, bolt traction cam 60 contacted with the part of inboard latch bolt 50b, at this moment is that latch bolt 50a inclination is oblique laterally.

And when door 40 further is pressed into, this time, the front end inclined plane of inside and outside latch bolt 50a, 50b contacts simultaneously accepts seat board 80, retreat simultaneously, final inboard latch bolt 50b becomes fallback state, break away from from the hole 81 of bearing of accepting seat board 80, the front end of outside latch bolt 50a embeds to hang and closes in the hole 81, and door 40 becomes blocking completely.

At this moment bolt traction cam 60 tilts laterally, and 58 extensions of the 1st hook are combined on the latch bolt 50a of the outside, and the 2nd hook 59 is thrown off fully and the extension of inboard latch bolt 50b closes.

Opened door next time at 40 o'clock, from blocking, the moving body 57 that traction is connected with slide block by being installed in lever handle 1 moving slider 20 on the door 40, when it retreats, because hanging with outside latch bolt 50a, closes on 60 on bolt traction cam, so, outside latch bolt 50a from bear hole 81, come off (with reference to Fig. 4), if catch above-mentioned handle portion 4 to draw before body, then door 40 moves laterally, and the front end of inboard latch bolt 50b is hung and is incorporated into above-mentioned bearing in the hole 81.

So, door 40 and fixedly accept the small gap of generation between the door installing frame of seat board 80, even inner high temperature air, steam etc. can be from this clearance leakages, pressure inside can decrease, when moving body 57 being returned by the operation of above-mentioned handle portion 4, outside latch bolt 50a is owing to made it to advance by the 1st spring 52 without any constraint, bolt traction cam 60 returns the neutral position by the effect of the 3rd spring 61, and the 1st, the 2nd hook 58,59 of both sides becomes simultaneously can hang the state that closes with inside and outside side latch bolt 50a, 50b.

In this state, when by the mobile once more moving body 57 of handle portion 4 and when bolt traction cam 60 is retreated, the the 1st, the 2nd inside and outside hook 68,69 and latch bolt 50a, the 50b in the interior outside hang and close, they retreat simultaneously, inboard latch bolt 50b comes off from bear hole 81, and door 40 is in the state of opening fully, opens the door under the state of catching handle 4 with common the same ground, through the state of Fig. 1, door 40 is all opened.

Further, as inside and outside latch bolt 50a, when 50b is in progressive position simultaneously, because the effect of the recuperability of the 3rd spring 61 is in original position, promptly during the neutral position, the 1st, the 2nd hook 58,59 is in keeping out of the way in the space 64,65 of latch bolt 50a, 50b simultaneously when bolt traction cam 60.If moving body 57 is retreated, the then above-mentioned the 1st, the 2nd hook 58,59 hang the latch bolt 50a that is combined in the interior outside, the extension of 50b closes edge 66, on 67, latch bolt 50a, 50b retreats simultaneously, in addition and when only inboard latch bolt 50b moves to going-back position, push the inclined cam surface 68 of the 2nd hook 59 by the front end lateral margin of keeping out of the way space 64 69 of inboard latch bolt 50b, keeping out of the way in the space 64 of latch bolt 50a side rotates laterally around its pivot 70 to make above-mentioned bolt traction cam 60, play the extension that the 1st hook 58 is hung be combined in outside latch bolt 50a and close effect on the edge 66, simultaneously, hook 59 is outside the track of inboard latch bolt 50b, press to this internal face, above-mentioned bolt traction cam 60 plays the effect of heeling condition laterally of keeping.

Above-mentioned the 3rd spring 61 also can be made 2 opposite torque springs shown in Figure 1, there not being external force to do the time spent, maintains a neutral position.

The described invention of the 1st technical scheme, owing to play above-mentioned such effect that constitutes, so if when holding handle portion 4 tractives of lever handle 1, the effect that plays in this a series of drawing-in motion is, at first latch bolt 50 is thrown off, and pulls on, door 40 is opened.

In the described invention of the 2nd technical scheme, because formation as described above, so, except the effect of the described invention of above-mentioned the 1st technical scheme, be arranged on the effect that the pair of latches up and down of door 40 is thrown off simultaneously in addition.

In the described invention of the 3rd scheme, owing to be above-mentioned formation, play above-mentioned effect, so it is stable to link disk 30a, a pair of slide block 20 steps are identical, slide to become slick and sly.

In this embodiment, except the effect that plays all technical schemes, because latch bolt 50a, 50b are set up in parallel the thickness direction at door 40, so, when opening, once traction with handle portion 4, first-selection is thrown off the latch bolt 50a in the outside, be in its original position at door 40 and return handle portion one time, when drawing again, door 40 can be opened fully, when the door that is full of the room of high temperature air or steam or baking oven in door latch apparatus is installed in door 40 is gone up, does not have fire wound or because the danger that institute produces the master is made in rapid the starting of door.

Claims (3)

1. door lock assembly simple to operate, this device has the handle set (2) in the outside that is fixed on door (40) and the lever handle (1) that is installed with by pivot 3 pivots parallel with door (40) outside thereon, it is characterized in that, clamping above-mentioned pivot 3 ground with the handle portion (4) of above-mentioned lever handle (1) connects to the outstanding start end (5) of opposition side be arranged on keeping out of the way in the hole (41) in and giving prominence to of above-mentioned door (40) in door (40), on the other hand, be provided with in above-mentioned door (40) inboard and be fixed on and the corresponding locational slide block cover of above-mentioned handle set (2) (10), be provided with the slide block (20) that on the moving direction of above-mentioned start end (5), slides abreast therein with above-mentioned door (40) inner face (42), can hang the extension of stating start end (5) that closes in the last setting of above-mentioned slide block (20) and close recess (26), in addition, is giving prominence to the outside of above-mentioned sliding support (10) by being endowed the trend of moving to the outside of above-mentioned slide block cover (10) outer end (21) of slide block (20), and the connecting rod (35) that is connected of the latch bolt (50) that can install and be arranged on the latch bolt box (51) on door edge (43) of an inner face (42), when above-mentioned handle set (2) and slide block cover (10) and door (40) inside and outside was fixed on inside and outside the going up of door (40) accordingly, the extension of above-mentioned start end (5) and above-mentioned slide block (20) closed recess (26) and hangs and close.

2. door lock assembly simple to operate as claimed in claim 1, it is characterized in that, 180 ° of above-mentioned slide block (20) phase phasic differences, be contained in a pair of above-mentioned slide block cover (10) point symmetry, link by linking lever or dish (30) mutually, be the binding that can be close and leave mutually, on the outer end (21) of separately slide block, can link above-mentioned connecting rod 35.

3. door latch apparatus simple to operate as claimed in claim 1 or 2, it is characterized in that, above-mentioned binding lever or dish (30) are the binding disk (30a) parallel with door (40), the rotation of this binding disk (30a) freely is bearing on the central axis (13) with above-mentioned slide block cover (10) one, break-through is provided with a pair of slotted hole of growing (31) of 180 ° of phase phasic differences on radial direction near the periphery of above-mentioned binding disk (30a), in these a pair of slotted holes (31), inserting the cylindrical protrusion (25) on the inner separately (22) that is arranged on above-mentioned slide block (20), above-mentioned cylindrical protrusion (25) is parallel with above-mentioned central axis 13, and its single face of above-mentioned binding disk (30a) (32) and outer peripheral face (33) slide block freely are bearing on the inner face 11 of slide block cover (10).

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